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Write net ionic equations for precipitation reactions.
Write the net ionic equation for the precipitation reaction that occurs when aqueous solutions of ammonium carbonate and chromium(III) iodide are combined.
Use the pull-down boxes to specify states such as (aq) or (s). If a box is not needed leave it blank.
You have a 1.23-mol sample of water at ?30.°C, and you heat it until you have gaseous water at 140.°C. Calculate q for the entire process. Use the following data.
For the reaction NO(g) + 1/2O2(g) NO2(g) at 750 Celcius, What is the relationship between Kc and Kp. If the Kp =4.213x10^-6, what is the Kc
What volume of the solution must be used to make 800 mL of 0.15 M. potassium permangate from a 0.20 M. potassium stock solution.
Which of these would NOT be expected to form in even small amounts in the free-radical chlorination of methane.
The IR spectrum of benzoic acid is included on page 3. Assign three specific absorbance bands (from the peak list below the spectrum) to the corresponding bond vibrations
the normal boiling point of benzene is 80.1 c celsius and the heat of vaporization is hvap 30.7 kjmole. what is the
The purity of a sample containing zinc as well as weighing 0.198 g is determined by measuring the amount of hydrogen formed while the sample reacts with an excess of hydrochloric acid.
Question- The adiabatic mixing temperature is the temperature achieved when two fluid streams of different temperature and/or composition are adiabatically mixed. Compute the adiabatic temperature for the following case:
1) Draw the form (structure) of ascorbic acid that is present at physiological pH (in the body; pH= 7.4). What diseases can be prevented and/or treated by the intake of ascorbic acid?
calculate the pH of the solution that results when 40.0 mL of 0.100 M NH3 is mixed with 20.0 mL of 0.250 M HCl solution.
an area of 1.15 m^2 and given that the acceleration due to gravity is 9.8 m/s^2, what is the mass of this column?
how many grams of the above product must be used to absorb heat. The emt happy vaporization for ethanol is 850j/g and water is 2360kj
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